首页> 外国专利> SPUR DETECTION IN A SAMPLED WAVEFORM IN A MIXED ANALOG/DIGITAL SYSTEM USING THE MAGNITUDE OF THE FREQUENCY RESPONSE

SPUR DETECTION IN A SAMPLED WAVEFORM IN A MIXED ANALOG/DIGITAL SYSTEM USING THE MAGNITUDE OF THE FREQUENCY RESPONSE

机译:使用频率响应的幅度在混合模拟/数字系统中进行采样波形进行刺激

摘要

Method, apparatus and computer program product for spur detection in a sampled waveform in a mixed analog/digital system using the magnitude of the frequency response comprising acquiring a sample waveform including a set of discrete uniformly spaced samples from a target system, wherein the sample waveform is a time domain vector; applying FFT transforming the time domain vector into the frequency domain; analyzing the frequency domain response including calculating the magnitude response; and determining whether the sample waveform has spurs including comparing the magnitude response to an average noise floor threshold including determining that the magnitude response having an average noise floor value above the average noise floor threshold has one or more spurs and determining that the magnitude response having an average noise floor value below the average noise floor threshold has no spurs, wherein a spur indicates unaligned data having a delayed bit flip.
机译:用于在混合模拟/数字系统中的采样波形中的用于调节检测的方法,装置和计算机程序产品,所述频率响应的幅度包括获取包括来自目标系统的一组离散的均匀间隔的样本的样本波形,其中样本波形是时域矢量;将FFT将时域向量应用于频域;分析频域响应,包括计算幅度响应;并确定样品波形是否具有扑脊,包括将幅度响应与平均噪声底板阈值的比较,包括确定具有高于平均噪声底板阈值的平均噪声底部值的幅度响应具有一个或多个马刺并确定具有幅度响应的幅度响应平均噪声底板值下方的平均噪声底板阈值没有马刺,其中刺激指示具有延迟比特翻转的未对准数据。

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